# STC SH8672SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Texas Aviation Services, United States
- Description: Installation of a Trimble Navigation Limited TNL 2100 GPS system.
- Applied: January 29, 1993
- Status date: March 11, 2010
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/93/29/93291bd3cfd6854136390286ca7ef1d3bb5dce19b83b080f693a8f9a17b2d531
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E2DDC686CA2C8E1586257C45005DEB1E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH8672SW

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- March 11, 2010: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/93/29/93291bd3cfd6854136390286ca7ef1d3bb5dce19b83b080f693a8f9a17b2d531)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.